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Finding the Fourth Proportional to 565.09, 778.22 and 563.27

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Solution

The fourth proportional to 565.09, 778.22 and 563.27 is: 775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.09 : 778.22 = 563.27 : x
  2. Step 2: Convert to fraction form
    565.09/778.22 = 563.27/x
  3. Step 3: Cross multiply
    565.09x = 778.22 × 563.27
  4. Step 4: Simplify right side
    565.09x = 438,345.16
  5. Step 5: Solve for x
    x = 438,345.16/565.09
  6. Step 6: Final answer
    x = 775.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.